changes for fast navigation

spotify_player/src/command.rs

@@ -317,21 +317,11 @@ impl Command {
             #[cfg(feature = "streaming")]
             Self::RestartIntegratedClient => "restart the integrated client",
             Self::SelectNextOrScrollDown => "select the next item in a list/table or scroll down (supports vim-style count: 5j)",
-            Self::SelectPreviousOrScrollUp => {
-                "select the previous item in a list/table or scroll up (supports vim-style count: 10k)"
-            }
-            Self::PageSelectNextOrScrollDown => {
-                "select the next page item in a list/table or scroll a page down (supports vim-style count: 3C-f)"
-            }
-            Self::PageSelectPreviousOrScrollUp => {
-                "select the previous page item in a list/table or scroll a page up (supports vim-style count: 2C-b)"
-            }
-            Self::SelectFirstOrScrollToTop => {
-                "select the first item in a list/table or scroll to the top"
-            }
-            Self::SelectLastOrScrollToBottom => {
-                "select the last item in a list/table or scroll to the bottom"
-            }
+            Self::SelectPreviousOrScrollUp => "select the previous item in a list/table or scroll up (supports vim-style count: 10k)",
+            Self::PageSelectNextOrScrollDown => "select the next page item in a list/table or scroll a page down (supports vim-style count: 3C-f)",
+            Self::PageSelectPreviousOrScrollUp => "select the previous page item in a list/table or scroll a page up (supports vim-style count: 2C-b)",
+            Self::SelectFirstOrScrollToTop => "select the first item in a list/table or scroll to the top",
+            Self::SelectLastOrScrollToBottom => "select the last item in a list/table or scroll to the bottom",
             Self::ChooseSelected => "choose the selected item and act on it",
             Self::JumpToCurrentTrackInContext => "jump to the current track in the context",
             Self::RefreshPlayback => "manually refresh the current playback",
@@ -367,9 +357,7 @@ impl Command {
             Self::SortTrackByAddedDate => "sort the track table (if any) by track's added date",
             Self::ReverseTrackOrder => "reverse the order of the track table (if any)",
             Self::SortLibraryAlphabetically => "sort the library alphabetically",
-            Self::SortLibraryByRecent => {
-                "sort the library (playlists and albums) by recently added items"
-            }
+            Self::SortLibraryByRecent => "sort the library (playlists and albums) by recently added items",
             Self::MovePlaylistItemUp => "move playlist item up one position",
             Self::MovePlaylistItemDown => "move playlist item down one position",
             Self::CreatePlaylist => "create a new playlist",

spotify_player/src/config/keymap.rs

@@ -244,6 +244,10 @@ impl Default for KeymapConfig {
                     key_sequence: "down".into(),
                     command: Command::SelectNextOrScrollDown,
                 },
+                Keymap {
+                    key_sequence: "C-down".into(),
+                    command: Command::PageSelectNextOrScrollDown,
+                },
                 Keymap {
                     key_sequence: "k".into(),
                     command: Command::SelectPreviousOrScrollUp,
@@ -256,6 +260,10 @@ impl Default for KeymapConfig {
                     key_sequence: "up".into(),
                     command: Command::SelectPreviousOrScrollUp,
                 },
+                Keymap {
+                    key_sequence: "C-up".into(),
+                    command: Command::PageSelectPreviousOrScrollUp,
+                },
                 Keymap {
                     key_sequence: "page_up".into(),
                     command: Command::PageSelectPreviousOrScrollUp,

spotify_player/src/event/page.rs

@@ -569,12 +569,22 @@ pub fn handle_navigation_command(
     match command {
         Command::SelectNextOrScrollDown => {
             let offset = count.unwrap_or(1);
-            page.select(std::cmp::min(id + offset, len - 1));
+            let temp = id + offset;
+            if temp > len - 1 {
+                page.select(0 + temp - len);
+            } else {
+                page.select(id + offset);
+            }
             true
         }
         Command::SelectPreviousOrScrollUp => {
             let offset = count.unwrap_or(1);
-            page.select(id.saturating_sub(offset));
+            let temp = id as isize - offset as isize;
+            if temp < 0 {
+                page.select((len as isize + temp) as usize);
+            } else {
+                page.select(temp as usize);
+            }
             true
         }
         Command::PageSelectNextOrScrollDown => {